feat: featch cards to storage

lib/feature/game/presentation/widgets/flame/hokm_game.dart

@@ -7,6 +7,7 @@ import 'package:flame/game.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart' show HapticFeedback;
 
+import '../../../../../core/network/card_images.dart';
 import '../../../../../core/service/app_sounds.dart';
 import '../../../../../core/settings/app_settings.dart';
 import '../../../../../core/theme/app_theme.dart';
@@ -79,6 +80,7 @@ class HokmGame extends FlameGame {
 
   @override
   Future<void> onLoad() async {
+    CardImages.preloadDeck(skin); // گرم‌کردنِ کشِ تصاویرِ کارت (پس‌زمینه، fire-and-forget)
     add(Felt(carpetUrl: carpetUrl));
     if (!AppSettings.I.lowGraphics.value) {
       add(Motes()); // ذراتِ طلاییِ معلق برای اتمسفر (در حالتِ کم‌مصرف خاموش)